Pain Keeper vs Pigsticker

Overall comparison

HERO	Fraction	Element	Type	Rarity	Aura
Pain Keeper	Dark Elves	Void	HP	Rare	HP 21% Place: Crypts
Pigsticker	Orcs	Magic	Attack	Rare	Attack 21% Place: Doom tower

HERO	LVL	STARS	HP	ATK	DEF	SPD	C.RATE	C.DMG	RESIST	ACC
Pain Keeper	60	6	19320	969	771	102	15	50	40	0
Pigsticker	60	6	13380 -5940	1332 +363	804 +33	96 -6	15	57 +7	30 -10	0

Pain Keeper	Unflagging Advance Formula: DEF+ATK Formula: 0.1*MAX_STAMINA Attacks 1 enemy 2 times. Fills this Champion's Turn Meter by 10%.	Spectacular Sweep Formula: 0.12HP+2ATK Formula: 0.15*HP Attacks all enemies, then heals all allies by 15% of this Champion's MAX HP. Cooldown: 5	Combat Tactics Decreases the cooldowns of all ally skills by 1 turn. This skill can have its cooldown reduced by other skills that reduce cooldowns by 1 turn. Cooldown: 7
Pigsticker	Vile Substance Formula: 3.5*ATK Attacks 1 enemy. Has a 50% chance of placing a 50% [Heal Reduction] debuff for 2 turns. Heal Reduction 50%	Heartless Curse Formula: 5.8ATK Formula: 0.2DEALT_DMG Attacks 1 enemy. Destroys the target's MAX HP by 20% of the damage inflicted. Cooldown: 4	Septic Spearhead Formula: 3ATK Formula: 0.3DEALT_DMG Attacks 1 enemy 2 times. Destroys the target's MAX HP by 30% of the damage inflicted. Cooldown: 4